package com.example.demo.mapper;


import com.example.demo.bean.SongBean;
import org.apache.ibatis.annotations.Mapper;


@Mapper
public interface SongMapper {
    //查询歌曲
    SongBean findSong(String rid);
    //新增歌曲
    int addSong(SongBean songBean);
    //改
    //删
    int deleteSong(int sid);
}
